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Copolymerization of Eu(TTA)3Phen doped styrene and methyl methacrylate nanoparticles and use in quantitative detection of pepsinogen

机译:Eu(TTA) 3 苯掺杂的苯乙烯和甲基丙烯酸甲酯纳米粒子的共聚及其在胃蛋白酶原定量检测中的应用

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High fluorescence intensity nanoparticles were prepared by copolymerization of Eu(TTA)3Phen doped styrene and methyl methacrylate. The fluorescent nanoparticles were used as labels for the quantitative detection of serum pepsinogens. Anti-pepsinogen I antibodies and anti-pepsinogen II antibodies were coated on the nitrocellulose membrane as test line 1 and test line 2 respectively. Serum pepsinogen I and pepsinogen II were detected simultaneously in one strip through sandwich immunoassay. This immunoassay strip can analyze the serum pepsinogens in one step and obtain results within 15 minutes. The limit of detection of this immunoassay strip for PG I and PG II standard analytes was 0.5 ng mL?1. The reproducibility and recovery tests shows that the quantitative results were accurate, and the strip can be used in clinical applications.
机译:通过Eu(TTA) 3 Phen掺杂的苯乙烯和甲基丙烯酸甲酯的共聚制备了高荧光强度的纳米粒子。荧光纳米颗粒用作定量检测血清胃蛋白酶原的标记。将抗胃蛋白酶原I抗体和抗胃蛋白酶原II抗体分别涂在硝酸纤维素膜上作为测试线1和测试线2。通过夹心免疫测定法同时检测一条血清中的胃蛋白酶原I和胃蛋白酶原II。该免疫分析条可一步分析血清胃蛋白酶原,并在15分钟内获得结果。免疫分析条的PG I和PG II标准分析物的检出限为0.5 ng mL ?1 。再现性和回收率测试表明定量结果是准确的,该胶条可用于临床。

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